Rebar chair



FIG. 1 is a perspective view of a rebar chair in accordance with my design;

FIG. 2 is a front view thereof;

FIG. 3 is a left side view, the right side view being a mirror image thereof;

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a bottom plan view thereof. 

The ornamental design for a rebar chair, as shown and described. 